Improvement in oaeeiige-speisgs



W. H. ENGLISH.

' Wagon-Spring.

Patentgd- Sept. 24, 1867,

HOTC-UTHOGRAPNER, WASHINGTON. D. C.'

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W. H. ENGLISH, OF MACON, GEORG'IA.

Letters Patent No. 69,197, dated Septmnber 2 1, 1867.

IMPROVEMENT IN CARRIAGE-SPRINGS.

(the Sunnis enrich tr in tlgtst Eiettcts 33mm rut mating part at tlgesmut.

TO ALL WHO)! IT MAY CONCERN:

I Be it known that I, W. H. EXGLISH, of Macon, in the county of Bibi),and State of Georgia, have invented a new and improved Spring forVehicles, and that the following description, taken in connection withthe accornpnnying drawings, hereinafter referred to, forms a full andexact specification of the same, wherein I have set forth the nature andprinciples of my said improvements, by which my invention may bedistinguished from all others of a similar class, together with suchparts as I claim and desire to have secured to me by Letters Patent.

This invention has for its object the obtaining of a spring for vehicleswhich will be light, or composed of a small weight of metal, and stillbe strong and durable, and for less expensive to manufacture than theordinary springs in use.

The invention consists in applying a rib or ribs to an elliptic orsemi-elliptic spring, as hereinafter set forth In the accompanying sheetof drawings- Figure 1 is a front view of an elliptic spring constructedaccording to my invention.

Figure 2, a plan or top view of the same.

Figure 3, a transverse section of the same, taken in the line 51:1, fig.1.

Similar letters of reference indicate like parts.

A A represent two steel plates, properly tempered and curved, andconnected at their ends by joints (1 a, and to the exterior of eachsteel plate A there is secured a steel rib, B, either by clips Z1 Z orbolts cc. It clips are used the central one, Z", should be a rigidfastening, but those, I), at the ends should admit of a free movement ofboth the ribs and plates. The same may be said of the bolts 0 c if used.The central one, 0, should form a rigid connection of the ribs andplates, passing centrally through both, while the bolts 0 at the ends ofthe ribs pass through oblong'slots (Z in the plates, to admit of thecompression of the ribs and plates, and the consequent elastic movementof the spring as a whole. The spring may be made of any requiredstrength by having ribs 13 of greater or depth. They are quite thin, butdeep, and give great strength to the spring being far superior to thenumerous leaves now used, and admitof the springs being manufactured ata much less cost.

Having thus described my invention, I claim as new, and desire to secureby Letters Patcnt' An elliptic or scmi-elliptic spring for vehicles,constructed of curved elastic steel plates, with a narrow or thin rib ofsteel applied to their exterior surfaces, substantially as shown anddescribed.

The above specification of any invention signed by me this llst day ofMay, 185T.

w; u. nuomsn.

Witnesses:

I In. I Vt-Nmmnm J. A. h'nnrn'la.

